package com.lltt.study.controller;

import dev.langchain4j.data.message.ImageContent;
import dev.langchain4j.data.message.TextContent;
import dev.langchain4j.data.message.UserMessage;
import dev.langchain4j.model.chat.ChatModel;
import dev.langchain4j.model.chat.response.ChatResponse;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.io.Resource;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

import java.io.IOException;
import java.util.Base64;

@RestController
@Slf4j
public class ImageModelController {
    @Autowired
    private ChatModel chatModel;

    @Value("classpath:static/images/20250822135047.jpg")
    private Resource resource;

    @GetMapping(value = "/image/call")
    public String readImageContent()throws IOException{
        byte[] byteArray = resource.getContentAsByteArray();
        String base64Data = Base64.getEncoder().encodeToString(byteArray);
        UserMessage userMessage = UserMessage.from(
                TextContent.from("根据以下图片分析场景"),
                ImageContent.from(base64Data, "image/jpg")
        );
        ChatResponse chatResponse = chatModel.chat(userMessage);
        String result = chatResponse.aiMessage().text();
        System.out.println(result);
        return result;
    }
}
